a.boton {display:block; padding:2px; width:125px; text-decoration:none; font-family:Arial, Helvetica, Sans Serif; color:white; font-size: 11pt; background-color:navy; background-image: url(bot1.gif); border-left: thin solid white; border-top: thin solid white; border-bottom: thin solid #A7A9AC; border-right: thin solid #BCBEC0; text-align:center}
a.boton:hover {color:yellow; background-color:#0089CF; background-image: url(bot2.gif)}
.activo {display:block; padding:2px; width:125px; background-color:white; border-left: thin solid #BCBEC0; border-top: thin solid #BCBEC0; border-bottom: thin solid white; border-right: thin solid white; font-family:Verdana, Arial, Helvetica, Sans Serif; color:#666666; font-size: 11pt; font-weight:bold; text-align:center}